Go at a quiet time if you have teenagers. There is a surf machine that looks really cool but big queue. We had age 3 and 5. Grt slides, river, waves, fun pirate ship.
Dressing rooms baltic for little ones. 2 hrs about the limit for us. It would defo be longer if warmer in pool play areas. Also have to find coins to pay for hair dryer -bit mean after big entrance fee